Home / 1,327,104,001.40-1,990,656,002.10-744,239,924.60

Finding the Fourth Proportional to 1,327,104,001.40, 1,990,656,002.10 and 744,239,924.60

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Solution

The fourth proportional to 1,327,104,001.40, 1,990,656,002.10 and 744,239,924.60 is: 1,116,359,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,104,001.40 : 1,990,656,002.10 = 744,239,924.60 : x
  2. Step 2: Convert to fraction form
    1,327,104,001.40/1,990,656,002.10 = 744,239,924.60/x
  3. Step 3: Cross multiply
    1,327,104,001.40x = 1,990,656,002.10 × 744,239,924.60
  4. Step 4: Simplify right side
    1,327,104,001.40x = 1,481,525,672,907,441,408
  5. Step 5: Solve for x
    x = 1,481,525,672,907,441,408/1,327,104,001.40
  6. Step 6: Final answer
    x = 1,116,359,886.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.